Brush



FIG. 1 is a perspective view showing our design for a brush;

FIG. 2 is a further perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof taken from the left of FIG. 2;

FIG. 5 is a side elevational view thereof taken from the right of FIG. 1;

FIG. 6 is an end elevational view thereof; and,

FIG. 7 is an elevational view of the opposite end thereof. 

The ornamental design for a brush, as shown and described. 